The red pigment also has antibacterial properties, which work to protect the hippo from certain pathogens and accelerate its recovery from wounds. River horse. The hippopotamus-or river horse - is a belligerent creature, which puzzled the ancient Greeks by apparently sweating blood. In fact, the thick red substance, which oozes from glands all over its skin, is one of the hippo's many ingenious survival tools.
A gastrografin enema is an X-ray of the large intestine that includes the colon and rectum. It is used to diagnose problems such as obstructions and perforations in the bowel.
Hyperlinked terms are defined in the glossary section of this website. Click the term to see a pop-up definition. Gastrointestinal stromal tumor (GIST) is a rare cancer affecting the digestive tract or nearby structures within the abdomen.GI stromal tumor, or GIST cancer, is a sarcoma.ecause primary GISTs in these locations do not arise directly from the GI tract, they are sometimes called âextragastrointestinalâ stromal tumors (Reith et al, 2000). When a GIST grows in a location where it is not encased in the peritoneal membranes, it is said to be retroperitoneal.